Cardiac Basic PhysiologyBasic Cardiovascular Physiology This section is a review of some basic tenets of cardiovascular physiology which are relevant to invasive cardiac monitoring. How these principles apply to the specific catheters will be discussed on other pages in greater detail.Some Basic Review:Circulatory System: The circulatory system consists of the heart, the blood vessels, (arteries, arterioles, and blood) and its purpose is to carry oxygen and nutrients to tissues in the body, and tin Cardiac Physiologywith basiccardiaccardiovascularphysiologyreviewsectionsomebasictenets